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INF3720 EXAM PACK 2023
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INF3720Exam Pack
2023
LATEST QUESTIONS
AND ANSWERS
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INF3720
EXAM PACK
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UNIVERSITY EXAMINATIONS
JUNE / JULY 2021
INF3720
Human Computer Interaction
Date: 12 July 2021
Duration: 2 hours
Total marks: 100
Examiners:
First: Dr B. Chipangura
Second: Prof M. van Der Merwe
External: Mr D. Mothisi
This is a closed book examination. The question paper has 7 pages and 5 questions.
Instructions to students
1. Unisa examination policies apply.
2. Answer all questions.
3. The marks for each question are given in brackets next to the question.
4. Please answer the questions in order. If you want to do a question later, leave a blank
space.
5. Pocket calculators are not allowed.
6. Pledge that you have neither given nor received aid on this examination (You must respond
to this pledge when submitting your assignment.)
7. After writing the exam, upload your answer sheet in PDF format on myUnisa as per
instructions provided to you in Exam Tutorial letter. Do not add any other form of
protection on your document. Incorrect file formats or unreadable files will be assigned a
zero mark.
8. Students who do not submit their answer sheets within the scheduled session time will be
marked as absent. Those who could not participate in the examination must formally apply
for an aegrotat opportunity. This rule also applies to students who may be affected by load
shedding. You should supply sufficient evidence in an application for an aegrotat due to load
shedding. Note that supplementary students do not qualify for an aegrotat regardless of the
circumstances.
9. You are not allowed to copy any text from the textbook or slides; other students’ notes or
answers; templates, memos or example answers from any previous assignments, online
tutors, the internet, or any other sources. All questions must be answered in your own,
original words. All scripts will be put through a plagiarism checking tool. Cases, where
copying and pasting, patchwriting, plagiarism, collaboration or other authenticity issues are
suspected, will receive a zero mark and the cases will be reported to the Student Disciplinary
Section in DSAA for disciplinary action.
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2 INF3720
JUN/JULY
Question 1 20 Marks
Answer all questions in this section. Choose the correct answer and write it on your answer sheet. Each
question carries 2 marks.
1.1. Which definition of interaction design is correct?
a. The extent to which a product provides the right kind of functionality so that users can do what
they want to do
b. Designing interactive products to support the way people communicate and interact in their
everyday lives
c. Ways of restricting the kinds of user interaction or interpretation that can take place at a given
moment
d. How good a product is at doing what it is supposed to do
1.2. The fact that myUnisa follows a standardised format and structure for all modules implies that the
following usability goal has been met:
a. Efficiency
b. Utility
c. Safety
d. Memorability
1.3. Assume that you have been contracted to do the interactive design for a local town’s electronic
library system. You have designed a non-functional collection of screens that demonstrate how a
library user will borrow a digital book. This activity is an example of:
a. Visceral design
b. Designing alternatives
c. Prototyping
d. Establishing requirements
1.4. Integrating interaction design with an agile software development approach is useful because:
a. An agile approach incorporates tight iterations, feedback and collaboration with the customer
b. By using an agile approach, developers can start coding immediately to save time and costs
c. An agile approach does not require that all critical design elements are captured in a design
document
d. An agile approach requires all software development processes to be specified before
development begins to ensure rigour
1.5. Virtual shopping carts, baskets, shelves, checkouts, cash registers, payment options and alternative
online shopping techniques show:
a. How future scenarios (visions) enable users to interact with information in their everyday lives
b. How conceptual models provide scenarios of how society can use future generations of
imagined technologies
c. How theories help identify factors relevant to the design and evaluation of interactive products
d. How seemingly similar tasks can have quite different conceptual models and metaphors
underlying their design
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